Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA9LP callsign genealogy
Currently held by Slattery, Thomas P
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AA9LP's current licensee, walking backwards.
- POWER, LOGAN MILgranted 2019-11-05cancelled 2019-11-26
Successor callsigns
Callsigns held now by people who previously held AA9LP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA9LP, oldest first.
- Slattery, Thomas P IL2003-12-16 → cancelled 2016-03-16
- POWER, LOGAN M MA2019-11-26 active